Observatory · observe first
Follow the allocation change
Matched S&P 500 members → sector → industry → sub-industry → company. Each step uses the same percentage points.
Historical time machine
Historical observation
20182026
1 · Sector
Weight and 12M allocation change
2 · Industry
Inside Energy
3 · Sub-industry
Inside Oil & Gas Exploration & Production
Oil & Gas Exploration & Production · weight
0.75%
Industry change · 12M
-0.44 pp
Oil & Gas Exploration & Production · contribution
-0.437 pp
Company participation
0%
of industry constituents above their 6M weight average
4 · Companies driving this sub-industry
Jun 2023 · sorted by absolute contribution to 12-month change
| Company | Country | Market cap | Universe weight | 3M contribution | 12M contribution | 12M price return | Above 6M weight average |
|---|---|---|---|---|---|---|---|
| ConocoPhillips → COP | United States | $125.4bn | 0.290% | -0.123 pp | -0.162 pp | +21.3% | No |
| EOG Resources → EOG | United States | $66.9bn | 0.155% | -0.075 pp | -0.097 pp | +10.0% | No |
| Occidental Petroleum → OXY | United States | $52.4bn | 0.121% | -0.070 pp | -0.093 pp | +0.9% | No |
| Devon Energy → DVN | United States | $31.0bn | 0.072% | -0.041 pp | -0.070 pp | -5.3% | No |
| EQT Corporation → EQT | United States | $14.9bn | 0.034% | -0.005 pp | +0.034 pp | +21.5% | No |
| Diamondback Energy → FANG | United States | $23.8bn | 0.055% | -0.030 pp | -0.029 pp | +15.6% | No |
| APA Corporation → APA | United States | $10.5bn | 0.024% | -0.014 pp | -0.022 pp | +0.0% | No |
Company contributions use weights among matched S&P 500 members and add through each level without rescaling. Companies without matched shares and prices are omitted. These observations do not establish official index weights or actual fund flows.